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Home >> Volvo >> 2004 >> XC90 Base, AWD >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Transmission - General Diagnostics And Tests >> Checking The Power Supply And Ground Terminals For The Control Module (Aw50/51 AWD; Aw55-50/51SN; 2003-2007) >> Checking The Power Supply And Ground Terminals >> Checking For Open-Circuits, Contact Resistance And Oxidation

Checking For Open-Circuits, Contact Resistance And Oxidation

Check ground terminal 31/96 and the cable between the ground terminal and transmission control module (TCM) terminal #A53 (#A53). Check for an open-circuit according to OPEN-CIRCUIT, PERMANENT FAULTS . Check for contact resistance and oxidation according to CONTACT RESISTANCE AND OXIDATION .

Check the ground lead between the battery and the body. Check for an open-circuit according to OPEN-CIRCUIT, PERMANENT FAULTS . Check for contact resistance and oxidation according to CONTACT RESISTANCE AND OXIDATION .

Fig 1: Identifying Ohms Display
GLL101042Courtesy of VOLVO CARS CORPORATION
Fig 2: Checking Contact Resistance And Oxidation
GLL102161Courtesy of VOLVO CARS CORPORATION